100011020010120 has 96 divisors (see below), whose sum is σ = 327374202355200. Its totient is φ = 26477737658496.

The previous prime is 100011020010119. The next prime is 100011020010127. The reversal of 100011020010120 is 21010020110001.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (100011020010127) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 999260712 + ... + 999360791.

It is an arithmetic number, because the mean of its divisors is an integer number (3410147941200).

Almost surely, 2^{100011020010120} is an apocalyptic number.

100011020010120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100011020010120 is an abundant number, since it is smaller than the sum of its proper divisors (227363182345080).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

100011020010120 is a wasteful number, since it uses less digits than its factorization.

100011020010120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1998621659 (or 1998621652 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 100011020010120 its reverse (21010020110001), we get a palindrome (121021040120121).

The spelling of 100011020010120 in words is "one hundred trillion, eleven billion, twenty million, ten thousand, one hundred twenty".